Intelligent or not, we all make mistakes. And perhaps the intelligent mistakes are the worst, because so much careful thought has gone into them.
There is no limit to intelligence… or to ignorance.
A great many people think that polysyllables are a sign of intelligence.
I CAN is 100 times more important than IQ.
The intelligent man who is proud of his intelligence is like the condemned man who is proud of his large cell.
Intelligence is the only unlimited natural resource.
An intelligence service is, in fact, a stupidity service.
Do you know that dolphins are so intelligent that within only a few weeks of captivity, they can train people to stand on the edge of a pool and throw them fish?
Intelligence is quickness to apprehend as distinct from ability, which is capacity to act wisely on the thing apprehended.
I not only use all of the brains I have, but all I can borrow.